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1322681-62-8

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1322681-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1322681-62-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,2,6,8 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1322681-62:
(9*1)+(8*3)+(7*2)+(6*2)+(5*6)+(4*8)+(3*1)+(2*6)+(1*2)=138
138 % 10 = 8
So 1322681-62-8 is a valid CAS Registry Number.

1322681-62-8Relevant articles and documents

One-pot three-component synthesis of quinoxaline, quinazoline, and phenazine ring systems using fischer carbene complexes

Mukherjee, Soumita,Roy, Priyabrata,Ghorai, Binay K.

, p. 1419 - 1426 (2011/06/17)

One-pot, three-component synthesis of nitrogen-containing polycyclic heterocycles bearing two nitrogen atoms such as quinoxaline, quinazoline, and phenazine derivatives by the coupling of appropriate vicinal alkynylheteroaryl carbonyl derivatives with Fischer carbene complexes and dienophiles has been investigated. This involves the generation of furo[3,4-b]pyrazines, furo[3,4-d]pyrimidines, and furo[3,4-b]quinoxalines as transient intermediates, which were trapped with suitable Diels-Alder dienophiles in an inter- or intramolecular fashion. Georg Thieme Verlag Stuttgart New York.

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